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Finding the Fourth Proportional to 302,240, 453,357.30 and 112,693.92

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Solution

The fourth proportional to 302,240, 453,357.30 and 112,693.92 is: 169,039.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,240 : 453,357.30 = 112,693.92 : x
  2. Step 2: Convert to fraction form
    302,240/453,357.30 = 112,693.92/x
  3. Step 3: Cross multiply
    302,240x = 453,357.30 × 112,693.92
  4. Step 4: Simplify right side
    302,240x = 51,090,611,297.62
  5. Step 5: Solve for x
    x = 51,090,611,297.62/302,240
  6. Step 6: Final answer
    x = 169,039.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.